Damselflies - common blue

Went on the discovery walk at Marton Mere, Blackpool today. I always enjoy the walks and the company, but struggled a bit with my photography today. (A bit nervous - after the recent bad reaction to an insect bite, I was too busy looking out for horseflies and the like!)  I got a few photos of a heron in flight, but I wanted something different. 

This is a heavily cropped photo of common blue damselflies.